Convert random generator to es6 and add some specs for it directly

var RandomKeyGenerator = function(options) {

  if (!options) {

    options = {};

  }

module.exports = class RandomKeyGenerator {

  // Initialize a new generator with the given keySpace

  constructor(options = {}) {

    this.keyspace = options.keyspace || 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';

};

  }

// Generate a random key

RandomKeyGenerator.prototype.createKey = function(keyLength) {

  // Generate a key of the given length

  createKey(keyLength) {

    var text = '';

  var index;

    for (var i = 0; i < keyLength; i++) {

    index = Math.floor(Math.random() * this.keyspace.length);

      const index = Math.floor(Math.random() * this.keyspace.length);

      text += this.keyspace.charAt(index);

    }

    return text;

};

  }

module.exports = RandomKeyGenerator;

};

  },

  "scripts": {

    "start": "node server.js",

    "test": "mocha"

    "test": "mocha --recursive"

  }

}

/* global describe, it */

const assert = require('assert');

const Generator = require('../../lib/key_generators/random');

describe('RandomKeyGenerator', function() {

  describe('randomKey', function() {

    it('should return a key of the proper length', function() {

      var gen = new Generator();

      assert.equal(6, gen.createKey(6).length);

    });

    it('should use a key from the given keyset if given', () => {

      var gen = new Generator({keyspace: 'A'});

      assert.equal('AAAAAA', gen.createKey(6));

    });

  });

});